Kepler 10b, whose intense heat comes from the fact that it orbits its star so closely, is too distant and small to be seen directly.
高温的开普勒10的轨道距离它的恒星太近了，以至于太远太小不能直接观测到。
Nasa yesterday revealed details of Kepler 10b, the smallest known planet outside our solar system and the first to be confirmed as ‘undoubtedly rocky’.
美国宇航局昨天透露了开普勒10的细节，是我们发现的太阳系外最小的行星并且是第一个被确认为“毫无疑问的岩石星球”。
Dr Geoffrey Marcy, from the University of California Berkeley, said that Kepler 10b was' a bridge between the gas giant planets we've been finding and the Earth itself '.
加州大学伯克利分校的马西·杰弗里教授说，开普勒10是我们发现的气体星球与地球的桥梁。
应用推荐